The phrase "unaffiliated voters" refers to people who are not members of any political party. They do not identify themselves as Republicans or Democrats or are associated with any specific political group. Full definition
He's also hoping that voter dissatisfaction with Congress this year and the growing number of unaffiliated voters in the 2nd District will give him an edge on Nov. 4. (courant.com)
This question of fairness is not limited to the role of unaffiliated voters in the Democratic and Republican primaries. (gothamgazette.com)
The interest in this issue is intense among the highly coveted unaffiliated voters who many candidates are seeking to sway. (courant.com)